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Microwave-Assisted Recycling of Waste Paper to Green Platform Chemicals and Carbon Nanospheres
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymer Technology.ORCID iD: 0000-0002-7790-8987
2015 (English)In: ACS Sustainable Chemistry and Engineering, ISSN 2168-0485, Vol. 3, no 1, 177-185 p.Article in journal (Refereed) Published
Abstract [en]

Effective high-yield recycling of waste paper to well-defined future platform chemicals and carbon nanospheres was demonstrated. The developed process utilized the exceptional combined effect of microwave irradiation and dilute acid catalyst to hydrothermally degrade cellulose in waste paper. The process was evaluated for three different waste papers, brown and white paper tissues and white printing paper. Different pretreatment processes were investigated to further increase the cellulose liquefaction efficiency. By utilizing soda pretreatment, liquefaction efficiencies as high as 8896 were achieved. The obtained liquefaction products were fingerprinted by NMR and LDI-MS, while the solid residues were analyzed by XRD, SEM, TGA, and FTIR As industrial-scale microwave reactors are currently under development, the developed method displays significant potential for recycling waste paper to green platform chemicals at the industrial scale.

Place, publisher, year, edition, pages
2015. Vol. 3, no 1, 177-185 p.
Keyword [en]
Microwave recycling, Waste paper, Cellulose, Hydrothermal degradation, Liquefaction, Carbon nanospheres
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Other Chemistry Topics
Identifiers
URN: urn:nbn:se:kth:diva-159611DOI: 10.1021/sc500686jISI: 000347513900022Scopus ID: 2-s2.0-84920283640OAI: oai:DiVA.org:kth-159611DiVA: diva2:787109
Funder
Swedish Research Council, 2012-4369
Note

QC 20150209

Available from: 2015-02-09 Created: 2015-02-05 Last updated: 2015-02-09Bibliographically approved

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Hakkarainen, Minna

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